<template>
  <div id="app">
    <transition name="router-fade" mode="out-in">
    <keep-alive>
        <router-view v-if="$route.meta.keepAlive"></router-view>
    </keep-alive>
  </transition>
  <transition name="router-fade" mode="out-in">
    <router-view v-if="!$route.meta.keepAlive"></router-view>
  </transition>
  </div>

</template>

<style lang="scss" scoped>
  .router-fade-enter-active, .router-fade-leave-active {
      transition: opacity .2s;
  }
  .router-fade-enter, .router-fade-leave-active {
      opacity: 0;
  }
</style>

<script>

export default {
  name: 'App'
}
</script>
